To prevent the damage of an extruder due to the excess supply by providing a fixed quantity supply feeder for an inorganic material and a side feeder to fix the supply quantity of the inorganic material to be supplied to the side feeder.
In the method and apparatus for controlling the supply of the raw material in the extruder, the supply quantity of the inorganic material (8) to the side feeder (7) from a flow rate control means (2) is fixed to a preliminarily set supply quantity (A) and even when the supply quantity of the inorganic material (8) from the fixed quantity supply feeder (9) for the inorganic material to the flow rate control means (20) exceeds the set value (A), the set quantity (A) of the inorganic material (8) is supplied to the extruder (1) from the side feeder (7).
COPYRIGHT: (C)2009,JPO&INPIT
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Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Masahiro Taguchi